<template>
  <view>
    <!-- 搜索组件 -->
    <view class="search-box">
      <my-search @click="gotoSearch"></my-search>
    </view>
    <!-- 轮播图 -->
    <swiper 
      :indicator-dots="true" 
      :autoplay="true" 
      :interval="3000" 
      :duration="1500"
      :circular="true"
    >
      <swiper-item 
        v-for="(item,i) in swiperList" 
        :key="i"
      >
        <navigator 
          class="swiper-item"
          :url="'/subpkg/goods_detail/goods_detail?goods_id='+item.goods_id"
        >
          <image :src="item.image_src" ></image>
        </navigator>
      </swiper-item>
    </swiper>
    
    <!-- 分类导航区域 -->
    <view class="nav-list">
      <view 
        class="nav-item" 
        v-for="(item,i) in cateList" 
        :key="i"
        @click="navClickHandler(item)"
      >
        <image :src="item.image_src" class="nav-img"></image>
      </view>
    </view>
    
    <!-- 楼层区域 -->
    <!-- 楼层容器 -->
    <view class="floor-list">
      <!-- 楼层项item -->
      <view class="floor-item" v-for="(item,i) in floorList" :key="i">
        <!-- 楼层的标题(图片) -->
        <image :src="item.floor_title.image_src" class="floor-title"></image>
        
        <!-- 楼层图片区域 -->
        <view class="floor-img-box">
          <!-- 左侧单大图的容器 -->
          <navigator class="left-img-box" :url="item.product_list[0].url">
            <image 
              :src="item.product_list[0].image_src" 
              :style="{width: item.product_list[0].image_width+'rpx'}"
              mode="widthFix"
            ></image>
          </navigator>
          <!-- 右侧4大图的容器 -->
          <view class="right-img-box">
            <navigator 
              class="right-img-item" 
              v-for="(item2,i2) in item.product_list" 
              v-if="i2!==0" 
              :key="i2"
              :url="item2.url"
            >
              <image :src="item2.image_src" :style="{width:item2.image_width+'rpx'}" mode="widthFix"></image>
            </navigator>
          </view>
        </view>
      </view>
    </view>
  </view>
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
  
  export default {
    mixins: [badgeMix],
    
    data() {
      return {
        swiperList:[], //轮播图数据(空数组)
        cateList: [], //分类导航数据
        floorList: [], //楼层数据
      };
    },
    onLoad(){
      this.getSwiperList()
      this.getCateList()
      this.getFloorList()
    },
    methods:{
      async getSwiperList(options){
        const {data:res} = await uni.$http.get('/api/public/v1/home/swiperdata')
        // console.log(res)
        if(res.meta.status !== 200) return uni.$showMsg()
        
        this.swiperList = res.message
        uni.$showMsg('数据请求成功！')
      },
      
      async getCateList(){
        const {data:res} = await uni.$http.get('/api/public/v1/home/catitems')
        // console.log(res)
        if(res.meta.status !== 200) return uni.$showMsg()
        
        this.cateList = res.message
      },
      
      navClickHandler(item){
        // console.log(item)
        if(item.name === '分类'){
          uni.switchTab({
            url: '/pages/cate/cate'
          })
        }
      },
      
      async getFloorList(){
        const {data:res} = await uni.$http.get('/api/public/v1/home/floordata')
        if(res.meta.status !== 200) return uni.$showMsg()
        
        //先对数据(res.message)进行循环处理，
        res.message.forEach(floor=>{
          floor.product_list.forEach(prod =>{
            prod.url = '/subpkg/goods_list/goods_list?'+prod.navigator_url.split('?')[1]
          })
        })
        this.floorList = res.message 
      },
      
      //
      gotoSearch(){
        uni.navigateTo({
          url: '/subpkg/search/search'
        })
      }
    }
  }
</script>

<style lang="scss">
  swiper{
    height: 330rpx;
    .swiper-item,image{
      width: 100%;
      height: 100%;
    }
  }
  
  /*分类导航*/
   .nav-list{
     display: flex;
     justify-content: space-around;
     margin: 15px 0;
     
     .nav-img{
       width: 128rpx;
       height: 140rpx;
     }
   }
   
   /*楼层*/
   .floor-title{
     width: 100%;
     height: 60rpx;
   }
   
   .floor-img-box{
     display: flex;
     padding-left: 10rpx;
     
   }
   .right-img-box{
     display: flex;
     flex-wrap: wrap;
     justify-content: space-around;
   }
   
   .search-box{
     position: sticky;
     top: 0;
     z-index: 999;
   }
</style>
